Finding the Fourth Proportional to 318,357.68, 439,302.12 and 182,365.52
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Solution
The fourth proportional to 318,357.68, 439,302.12 and 182,365.52 is: 251,646.39
Step by Step Solution
- Step 1: Write the proportion equation
318,357.68 : 439,302.12 = 182,365.52 : x - Step 2: Convert to fraction form
318,357.68/439,302.12 = 182,365.52/x - Step 3: Cross multiply
318,357.68x = 439,302.12 × 182,365.52 - Step 4: Simplify right side
318,357.68x = 80,113,559,550.90 - Step 5: Solve for x
x = 80,113,559,550.90/318,357.68 - Step 6: Final answer
x = 251,646.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.